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  • Cardiovascular Disease, Internal Medicine
  • Accepting new patients
  • 41 years of experience
  • Heart Center 1333 W 5th St Ste 103, Sheridan, WY 82801

Brief Intro

Dr. Brennan graduated from the University of Oklahoma College of Medicine in 1984. He works in Sheridan, WY and 1 other location and specializes in Cardiovascular Disease and Internal Medicine. Dr. Brennan is affiliated with Sheridan Memorial Hospital.

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Education Background

RESIDENCY

Ami Presbyterian Denver Hospital

MEDICAL SCHOOL

University Of Oklahoma College Of Medicine - 1984

Languages Spoken

  • English
  • Spanish

Location & Hours

  • Heart Center
  • 1333 W 5th St Ste 103, Sheridan, WY 82801
  • Mon:8:00 am - 5:00 pm
    Tue:8:00 am - 5:00 pm
    Wed:8:00 am - 5:00 pm
    Thu:8:00 am - 5:00 pm
    Fri:8:00 am - 4:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Cardiovascular Disease
  • Internal Medicine

Conditions Addressed

  • Ischemic Heart Disease
  • Hypertension (HTN)
  • Mitral Valvular Disease
  • Cardiomyopathy
  • Conduction Disorders
  • Congenital Anomalies of the Heart
  • Cardiac Arrhythmia
  • Acute Myocardial Infarction (AMI)
  • Angina Pectoris
  • Atrial Fibrillation and Atrial Flutter
  • Paroxysmal Supraventricular Tachycardia (PSVT)
  • Aortic Valvular Disease
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Procedures Performed

  • Cardiac Rehabilitation
  • Cardioversion
  • Cardiac Rehabilitation
  • Cardiac Stress Test
  • Pacemaker and Defibrillator Procedures
  • Pacemaker and Defibrillator Procedures
  • Angioplasty
  • Angioplasty
  • Cardiac Stress Test
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Priority Health
  • First Choice Health
  • Humana
  • Medicare
  • Aflac
  • Premera Blue Cross
  • APWU
  • Security Life
  • United American
  • Allegiance Life and Health
  • Anthem Blue Cross Blue Shield
  • Molina Healthcare
  • Blue Cross Blue Shield
  • CHAMPVA
  • SAMBA
  • Aetna
  • Transamerica
  • Kaiser Permanente
  • Blue Shield of California
  • AARP
  • Meritain Health
  • UnitedHealthcare
  • Mayo Medical Plan
  • Anthem Blue Cross
  • Triwest Healthcare Alliance
  • Medica
  • Medicaid
  • WEA Trust
  • Tricare
  • Cigna
  • GEHA
  • Medical Mutual
  • Liberty HealthShare
  • UnitedHealthcare Oxford
  • Dean Health Plan
  • State Farm
  • Lasso Healthcare
  • Avesis
  • US Health Group
  • Blue Cross Blue Shield of Wyoming
  • BLUE CROSS of CALIFORNIA
  • Golden Rule
  • All Savers Insurance
  • Physicians Mutual
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  • Cardiology, Heart & Vascular Surgery 1
  • Orthopedics 2
  • Neurology & Neurosurgery 2
  • Gastroenterology & GI Surgery 2
  • Pulmonology & Lung Surgery 2
  • Urology 2
  • Psychiatry 7
  • Geriatrics 2
  • Rehabilitation 3
  • Maternity Care (Uncomplicated Pregnancy) 2